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CVE-2025-5503— TOTOLINK X15 formMapReboot stack-based overflow

Quick assessment

Affected
TOTOLINK X15
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK X15是中国吉翁电子（TOTOLINK）公司的一款网络无线扩展器。 TOTOLINK X15 1.0.0-B20230714.1105版本存在安全漏洞，该漏洞源于对参数deviceMacAddr的错误操作导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 5.64% · P93
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I. Basic Information for CVE-2025-5503

Vulnerability Information
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Vulnerability Title
TOTOLINK X15 formMapReboot stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. This affects the function formMapReboot of the file /boafrm/formMapReboot. The manipulation of the argument deviceMacAddr leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK X15 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK X15是中国吉翁电子（TOTOLINK）公司的一款网络无线扩展器。 TOTOLINK X15 1.0.0-B20230714.1105版本存在安全漏洞，该漏洞源于对参数deviceMacAddr的错误操作导致栈缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TOTOLINK X15 1.0.0-B20230714.1105 -

II. Public POCs for CVE-2025-5503

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9265 chars
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III. Intelligence Information for CVE-2025-5503

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Proof of Concept for CVE-2025-5503 (1)

Same Patch Batch · TOTOLINK · 2025-06-03 · 11 CVEs total

CVE-2025-5515 6.3 MEDIUM TOTOLINK X2000R formMapDel command injection
CVE-2025-5504 6.3 MEDIUM TOTOLINK X2000R formWsc command injection
CVE-2025-5502 6.3 MEDIUM TOTOLINK X15 formMapReboot command injection
CVE-2025-5543 2.4 LOW TOTOLINK X2000R Parent Controls Page cross site scripting
CVE-2025-5542 2.4 LOW TOTOLINK X2000R Virtual Server Page formPortFw cross site scripting
CVE-2025-5516 2.4 LOW TOTOLINK X2000R URL Filtering Page formFilter cross site scripting
CVE-2025-5508 2.4 LOW TOTOLINK A3002RU IP Port Filtering Page cross site scripting
CVE-2025-5507 2.4 LOW TOTOLINK A3002RU MAC Filtering Page cross site scripting
CVE-2025-5506 2.4 LOW TOTOLINK A3002RU NAT Mapping Page cross site scripting
CVE-2025-5505 2.4 LOW TOTOLINK A3002RU Virtual Server Page formPortFw cross site scripting

IV. Related Vulnerabilities

Same product: X15
Same vendor: TOTOLINK
Same weakness: CWE-121

V. Comments for CVE-2025-5503

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